[Webkit-unassigned] [Bug 262275] New: ASSERTION FAILED: lineWhitespaceCollapsingState.transitions()[currentTransition].renderer() == &(m_boxes[i].get()) /app/webkit/Source/WebCore/rendering/line/TrailingObjects.cpp(56)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=262275

            Bug ID: 262275
           Summary: ASSERTION FAILED:
                    lineWhitespaceCollapsingState.transitions()[currentTra
                    nsition].renderer() == &(m_boxes[i].get())
                    /app/webkit/Source/WebCore/rendering/line/TrailingObje
                    cts.cpp(56)
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: 1319794503 at qq.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 467948

  --> https://bugs.webkit.org/attachment.cgi?id=467948&action=review

testcase to trigger the crash

ASSERTION FAILED: lineWhitespaceCollapsingState.transitions()[currentTransition].renderer() == &(m_boxes[i].get())
/app/webkit/Source/WebCore/rendering/line/TrailingObjects.cpp(56) : void WebCore::TrailingObjects::updateWhitespaceCollapsingTransitionsForTrailingBoxes(WebCore::LineWhitespaceCollapsingState&, const WebCore::LegacyInlineIterator&, CollapseFirstSpace)

The minimized testcase will be uploaded as soon as possible.

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